Fix memory allocation

Change cpuTimesC from u_lonlong_t to uint64_t

c_api/api_aix.go

@@ -3,16 +3,19 @@ package c_api
 /*
 #cgo LDFLAGS: -lperfstat
 #include <stdlib.h>
+#include <stdio.h>
 #include <libperfstat.h>
 #include <string.h>
 #include <time.h>
 
-int getCPUTicks(u_longlong_t **cputicks, size_t *cpu_ticks_len) {
+u_longlong_t **ref;
+
+int getCPUTicks(uint64_t **cputicks, size_t *cpu_ticks_len) {
 	int i, ncpus, cputotal;
 	perfstat_id_t firstcpu;
 	perfstat_cpu_t *statp;
 
-	cputotal =  perfstat_cpu(NULL, NULL, sizeof(perfstat_cpu_t), 0);
+	cputotal = perfstat_cpu(NULL, NULL, sizeof(perfstat_cpu_t), 0);
 	if (cputotal <= 0){
         return -1;
    }
@@ -24,14 +27,14 @@ int getCPUTicks(u_longlong_t **cputicks, size_t *cpu_ticks_len) {
 	ncpus = perfstat_cpu(&firstcpu, statp, sizeof(perfstat_cpu_t), cputotal);
 	*cpu_ticks_len = ncpus*4;
 
-	u_longlong_t user, wait, sys, idle;
-	*cputicks = (u_longlong_t *) malloc(sizeof(u_longlong_t)*(*cpu_ticks_len));
+	*cputicks = (uint64_t *) malloc(sizeof(uint64_t)*(*cpu_ticks_len));
 	for (i = 0; i < ncpus; i++) {
 		int offset = 4 * i;
 		(*cputicks)[offset] = statp[i].user;
 		(*cputicks)[offset+1] = statp[i].sys;
 		(*cputicks)[offset+2] = statp[i].wait;
 		(*cputicks)[offset+3] = statp[i].idle;
+		printf("%d", statp[i].user);
 	}
 	return 0;
 }
@@ -47,17 +50,15 @@ const ClocksPerSec = float64(C.CLK_TCK)
 const maxCPUTimesLen = 1024 * 4
 
 func GetAIXCPUTimes() ([]float64, error) {
-
 	var (
-		cpuTimesC      *C.u_longlong_t
-		cpuTimesLength C.size_t
+		cpuTimesC		*C.uint64_t
+		cpuTimesLength	C.size_t
 	)
 
 	if C.getCPUTicks(&cpuTimesC, &cpuTimesLength) == -1 {
 		return nil, errors.New("could not retrieve CPU times")
 	}
 	defer C.free(unsafe.Pointer(cpuTimesC))
-
 	cput := (*[maxCPUTimesLen]C.u_longlong_t)(unsafe.Pointer(cpuTimesC))[:cpuTimesLength:cpuTimesLength]
 
 	cpuTicks := make([]float64, cpuTimesLength)

collector/cpu_aix.go

@@ -21,7 +21,6 @@ func NewCPUCollector() (Collector, error) {
 }
 
 func (c *statCollector) Update(ch chan<- prometheus.Metric) error {
-
 	var fieldsCount = 4
 	cpuFields := []string{"user", "sys", "wait", "idle"}